How do I use Cortana in Australia?

With 8.1 Cortana is only available in the US whereas 8.1 update which is currently only accessible in the preview for developers can have Cortana in the UK and China. Another update that came to Cortana in the update 1 in the preview for developers is Cortana Alpha which is available in Australia, Canada and India.

With 8.1 Cortana is only available in the US whereas 8.1 update which is currently only accessible in the preview for developers can have Cortana in the UK and China. Another update that came to Cortana in the update 1 in the preview for developers is Cortana Alpha which is available in Australia, Canada and India.